Bend-Insensitive Polarization-Maintaining Fiber for Devices

The bend-insensitive polarization-maintaining fiber for devices is a specialty PM fiber designed for miniaturized and bend-sensitive polarization devices. It offers excellent polishing performance, bend resistance, geometric consistency, and polarization-maintaining performance. The product is available at operating wavelengths of 1310 nm and 1550 nm. Under small bending radius conditions, it still maintains low macrobending loss and good crosstalk performance. It also provides wide-temperature operating capability from −45 to +85℃ and good mechanical reliability, making it suitable for various polarization fiber devices with limited space and small bending radii.

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1030 nm 30 W 300 kHz Femtosecond Fiber Laser

This high-power femtosecond fiber laser is designed for industrial precision processing and equipment integration. It adopts an all-fiber architecture and features high precision, high stability, and good industrial adaptability. The central wavelength is 1030±5nm, the average output power reaches the 30 W class, the maximum single-pulse energy is 100 μJ, the pulse width is <270fs, and it is adjustable up to 8 ps. It supports pulse picking, 2–80 pulse bursts, custom envelope bursts, and pulse-on-demand output, and can flexibly adapt to different processing requirements. It is widely used for precision cutting, drilling, microstructure processing, and surface treatment of glass, semiconductors, ceramics, metals, and polymers.

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633nm DBR Polarization-Maintaining Laser Diode

The 633nm DBR laser diode is a single-frequency semiconductor laser based on a Distributed Bragg Reflector (DBR) structure, with a typical center wavelength of 633 nm. It is housed in an industry-standard 14-pin hermetic butterfly package and is available in either free-space output or fiber-coupled output configurations. The product features narrow linewidth, high side-mode suppression ratio, and excellent single-mode output characteristics, making it suitable for Raman spectroscopy and other precision optical applications requiring narrow laser linewidth.Used in precision optical applications requiring narrow laser linewidth.

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Multifunction Photon Counter

The Multifunction Photon Counter is a multifunctional photoelectric detection device that integrates photon counting, analog signal acquisition, and independent voltage output. The product supports single-channel photon counting with a maximum counting rate of up to 5 Mcps, and the counting window can be set within the range of 1 μs to 100 s. It also features multichannel analog signal input and programmable voltage output, meeting signal acquisition and control requirements under different experimental conditions. The device uses a USB 2.0 data communication interface and can be used with grating spectrometers, monochromators, and other photoelectric detection equipment. It is suitable for applications such as photon counting, weak optical signal detection, spectral measurement, and scientific research experiments.

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High-Gain Transimpedance Preamplifier

The High-Gain Transimpedance Preamplifier is a low-noise, high-gain preamplifier designed for weak current and photoelectric signal detection. It converts the weak current signal output by a photodetector into a voltage signal that is convenient for acquisition and processing. The product provides multiple selectable transimpedance gain settings from 103 to 1010, is compatible with a variety of photodetectors, and can be used with lock-in amplifiers, data acquisition systems, and other equipment. It is suitable for applications such as photoelectric detection, spectral analysis, scientific research experiments, and precision weak-signal measurement.

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Methane Telemetry Module

The methane telemetry module is a high-sensitivity methane detection module based on TDLAS technology. It uses a laser at approximately 1653 nm to detect the characteristic absorption line of methane, enabling fast and accurate methane concentration measurement. The product features small size, low power consumption, fast response, high sensitivity, and long service life. It is easy to integrate into handheld devices, fixed monitoring terminals, UAVs, and intelligent inspection equipment. It is suitable for methane leakage detection and monitoring in gas, petrochemical, industrial safety, and other fields.Used for methane leakage detection and monitoring in gas, petrochemical, industrial safety, and other fields.

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FAU-Type Device Polarization-Maintaining Fiber

The FAU-type device polarization-maintaining fiber is a high-performance polarization-maintaining fiber designed for fiber array unit (FAU) and high-precision polarization optical device applications. It features excellent geometric precision, polishing performance, and polarization-maintaining capability. The product covers the typical communication wavelengths of 1310 nm and 1550 nm, and offers low attenuation, low macrobending loss, and high crosstalk suppression, along with good full-temperature stability and mechanical reliability. With high-precision cladding dimensions and core/cladding concentricity, it can meet the requirements of precision arrangement of multi-channel arrays and device packaging. It is suitable for applications such as FAU multi-channel arrays, polarization-maintaining pigtails, and polarization-sensitive device pigtails.

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Standard Device Polarization-Maintaining Fiber

The standard device polarization-maintaining fiber is a high-performance specialty fiber designed for polarization-sensitive fiber devices. It features excellent geometric uniformity, polarization-maintaining capability, and full-temperature stability, and can maintain stable and reliable optical performance under complex environmental conditions. The product has good end-face polishing adaptability and mechanical reliability, covering typical operating wavelengths such as 780 nm, 850 nm, 980 nm, 1310 nm, and 1550 nm. It can meet the device integration requirements of different optical systems and is suitable for the manufacturing and application of polarization-maintaining pigtails, polarization-sensitive devices, lasers, and related precision fiber devices.

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Folded Gas Cell

The folded gas cell is a compact multipass gas absorption device designed for trace gas absorption spectroscopy detection. Based on the Herriott gas absorption cell design, the product further compresses the overall size through an optical path folding structure, achieving an effective optical path of 10 m and a 10×8 multipass optical path within a smaller cell volume, balancing long optical path, high sensitivity, and miniaturization. The product uses high-precision mirrors and Protected Au (gold film) coating, and can be used in fields such as environmental monitoring, gas detection, medical diagnosis, and fundamental atomic and molecular physics. Compared with traditional long-optical-path cells, the folded structure is more conducive to miniaturized system integration and facilitates the configuration of pressure control, temperature control, and other peripheral equipment.

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Herriott Gas Absorption Cell

The Herriott gas absorption cell is a high-sensitivity gas absorption device based on a Herriott multipass reflective optical path design. Through multiple back-and-forth reflections of the light beam inside the gas chamber, it achieves an effective absorption optical path of 14.5 m within a compact volume of approximately 0.5 L. It can effectively enhance the absorption signal of gas molecules and improve the spectral detection capability for trace and weakly absorbing gases. The product adopts high-precision mirrors and a gold film coating, and is suitable for infrared-band gas absorption spectroscopy measurements. For different gas types, characteristic absorption lines, and system optical paths, customization services for the operating waveband and optical input/output modes are available, making it easy to integrate into TDLAS, laser gas analysis, and scientific spectroscopy systems.

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Special-Shaped Core Fiber

Special-shaped core fiber adopts non-circular core structures such as octagonal, hexagonal, or rectangular cores, and can provide configurations with different sizes, numerical apertures, and cladding structures. Through special core geometric design, the product meets diverse optical fiber transmission and optical field application requirements. Different core sizes as well as single-cladding or double-cladding structures can be selected according to actual applications.

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Circular Homogenizing Fiber

Circular homogenizing fiber is a specialty fiber designed for laser transmission and beam shaping applications. It features good geometric uniformity, a high damage threshold, and a uniform transverse field intensity distribution, enabling stable and efficient laser coupling and beam homogenization. It is suitable for applications such as laser cleaning.

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